JimEvans: Race condition for showModalDialog() windows in IE should be resolved, so adding IE-specific showModalDialog() test back into the .NET test suite.
JimEvans: Race condition for showModalDialog() windows in IE should be resolved, so adding IE-specific showModalDialog() test back into the .NET test suite.

r15811

krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate